Answer
$z^{4}$ - 9$z^{3}$ + 12$z^{2}$ + 8z
Work Step by Step
1. Apply the distributive property.
-$z^{3}$(9 - z) + 4z(2 + 3z) = -9$z^{3}$ + $z^{4}$ + 8z + 12$z^{2}$
= $z^{4}$ - 9$z^{3}$ + 12$z^{2}$ + 8z
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter R - Section R.3 - Polynomials - R.3 Exercises - Page 30: 86
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